[Secure-testing-team] Bug#860003: tiff: CVE-2017-7595

[Salvatore Bonaccorso]

Source: tiff
Version: 4.0.7-5
Severity: important
Tags: security upstream

Hi,

the following vulnerability was published for tiff.

CVE-2017-7595[0]:
| The JPEGSetupEncode function in tiff_jpeg.c in LibTIFF 4.0.7 allows
| remote attackers to cause a denial of service (divide-by-zero error and
| application crash) via a crafted image.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-7595
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7595
[1] https://blogs.gentoo.org/ago/2017/04/01/libtiff-divide-by-zero-in-jpegsetupencode-tiff_jpeg-c/
[2] https://github.com/vadz/libtiff/commit/47f2fb61a3a64667bce1a8398a8fcb1b348ff122

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore